UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qKr3v0pf7oyeB/1Y5WkMpmOvLsxY5VnCgGSRLkXtbtM=' 
WHERE 
  key_id = 'ba8d6616e615257fc450a69ff63f12cb94384de2455d64d35eb2145cb6effc6e' 
  AND (
    token = 'qKr3v0pf7oyeB/1Y5WkMpmOvLsxY5VnCgGSRLkXtbtM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )